Bochs/bochs/cpu/load.cc
Stanislav Shwartsman c41cbe6d56 Link traces over taken branch optimization which makes handlers chaining even more efficient.
I observed 5% speedup in all disk images over 2.6pre1.
The change is safe (passed all regressions) and I will be glad to make it into Bochs 2.6!
2012-08-21 19:58:41 +00:00

148 lines
4.8 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2008-2011 Stanislav Shwartsman
// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
//
/////////////////////////////////////////////////////////////////////////
#define NEED_CPU_REG_SHORTCUTS 1
#include "bochs.h"
#include "cpu.h"
#define LOG_THIS BX_CPU_THIS_PTR
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Eb(bxInstruction_c *i)
{
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
TMP8L = read_virtual_byte(i->seg(), eaddr);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Ew(bxInstruction_c *i)
{
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
TMP16 = read_virtual_word(i->seg(), eaddr);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Ed(bxInstruction_c *i)
{
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
TMP32 = read_virtual_dword(i->seg(), eaddr);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
}
#if BX_SUPPORT_X86_64
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Eq(bxInstruction_c *i)
{
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
TMP64 = read_virtual_qword_64(i->seg(), eaddr);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
}
#endif
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Wb(bxInstruction_c *i)
{
#if BX_CPU_LEVEL >= 6
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
Bit8u val_8 = read_virtual_byte(i->seg(), eaddr);
BX_WRITE_XMM_REG_LO_BYTE(BX_TMP_REGISTER, val_8);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
#endif
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Ww(bxInstruction_c *i)
{
#if BX_CPU_LEVEL >= 6
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
Bit16u val_16 = read_virtual_word(i->seg(), eaddr);
BX_WRITE_XMM_REG_LO_WORD(BX_TMP_REGISTER, val_16);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
#endif
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Wss(bxInstruction_c *i)
{
#if BX_CPU_LEVEL >= 6
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
Bit32u val_32 = read_virtual_dword(i->seg(), eaddr);
BX_WRITE_XMM_REG_LO_DWORD(BX_TMP_REGISTER, val_32);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
#endif
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Wsd(bxInstruction_c *i)
{
#if BX_CPU_LEVEL >= 6
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
Bit64u val_64 = read_virtual_qword(i->seg(), eaddr);
BX_WRITE_XMM_REG_LO_QWORD(BX_TMP_REGISTER, val_64);
return BX_CPU_CALL_METHOD(i->execute2(), (i));
#endif
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Wdq(bxInstruction_c *i)
{
#if BX_CPU_LEVEL >= 6
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
#if BX_SUPPORT_MISALIGNED_SSE
if (BX_CPU_THIS_PTR mxcsr.get_MM())
read_virtual_dqword(i->seg(), eaddr, &BX_READ_XMM_REG(BX_TMP_REGISTER));
else
#endif
read_virtual_dqword_aligned(i->seg(), eaddr, &BX_READ_XMM_REG(BX_TMP_REGISTER));
return BX_CPU_CALL_METHOD(i->execute2(), (i));
#endif
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOADU_Wdq(bxInstruction_c *i)
{
#if BX_CPU_LEVEL >= 6
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
read_virtual_dqword(i->seg(), eaddr, &BX_READ_XMM_REG(BX_TMP_REGISTER));
return BX_CPU_CALL_METHOD(i->execute2(), (i));
#endif
}
#if BX_SUPPORT_AVX
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_Vector(bxInstruction_c *i)
{
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
read_virtual_dword_vector(i->seg(), eaddr, i->getVL() << 2, &BX_READ_AVX_REG(BX_TMP_REGISTER));
return BX_CPU_CALL_METHOD(i->execute2(), (i));
}
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LOAD_VectorQ(bxInstruction_c *i)
{
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
read_virtual_dword_vector(i->seg(), eaddr, i->getVL() << 1, &BX_READ_AVX_REG(BX_TMP_REGISTER));
return BX_CPU_CALL_METHOD(i->execute2(), (i));
}
#endif